{"id":2296,"date":"2012-04-10T13:47:15","date_gmt":"2012-04-10T13:47:15","guid":{"rendered":"http:\/\/t.motd.kr\/articles\/2296\/how-to-build-openjdk-7-on-ubuntu-1110-and-1204"},"modified":"2022-12-28T01:44:37","modified_gmt":"2022-12-27T16:44:37","slug":"how-to-build-openjdk-7-on-ubuntu-11-10-and-12-04","status":"publish","type":"post","link":"https:\/\/vault.motd.kr\/wordpress\/posts\/2296\/how-to-build-openjdk-7-on-ubuntu-11-10-and-12-04\/","title":{"rendered":"How to build OpenJDK 7 on Ubuntu 11.10 and 12.04"},"content":{"rendered":"\n<p>This article will guide you to build OpenJDK in your 64-bit Ubuntu Linux (11.10 Oneiric Ocelot or 12.04 Precise Pangolin) without many trials and errors. It is based on <a href=\"http:\/\/hg.openjdk.java.net\/jdk7\/build\/raw-file\/tip\/README-builds.html\">the official OpenJDK build <span class=\"caps\">README<\/span><\/a>, but the <span class=\"caps\">README<\/span> file is out-of-date, and that\u2019s why I wrote this guide.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Assumptions<\/h2>\n\n\n\n<ul>\n<li>You run 64-bit Ubuntu.<\/li>\n\n\n\n<li>Your Sun\/Oracle <span class=\"caps\">JDK<\/span> 6 is installed at <code>$HOME\/.local\/opt\/jdk\/1.6<\/code>.\n<ul>\n<li>You can use your preferred installation location but you will have to adjust the scripts appear in this article.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>You installed <a href=\"http:\/\/ant.apache.org\/\">Apache Ant<\/a> and the <code>ant<\/code> command is in your <code>PATH<\/code> variable.<\/li>\n\n\n\n<li>You keep your development stuff at <code>$HOME\/Workspace<\/code>.\n<ul>\n<li>This guide keeps OpenJDK source code at <code>~\/Workspace\/openjdk<\/code> and HgForest at <code>~\/Workspace\/hgforest<\/code>. However, you can keep them in different locations and adjust the scripts appear in this article.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Install required packages<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>apt-get install mercurial gawk g++ libcups2-dev libasound2-dev libfreetype6-dev libx11-dev libxt-dev libxext-dev libxrender-dev libxtst-dev libfontconfig1-dev<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">Install HgForest<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>hg clone https:\/\/bitbucket.org\/pmezard\/hgforest-crew\/overview\/ \"$HOME\/Workspace\/hgforest\"<\/code><\/pre>\n\n\n\n<p>Edit your <code>$HOME\/.hgrc<\/code> to add these lines:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;extensions]\nforest=~\/Workspace\/hgforest\/forest.py<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">Clone the OpenJDK 7 repository<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>hg fclone http:\/\/hg.openjdk.java.net\/jdk7u\/jdk7u \"$HOME\/Workspace\/openjdk\"<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">Apply some patches<\/h2>\n\n\n\n<p>If you need to apply some patches, do it now, and then continue to build.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Build the OpenJDK 7<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>cd \"$HOME\/Workspace\/openjdk\"\nunset JAVA_HOME\nexport LANG=C\nexport ALT_BOOTDIR=\"$HOME\/.local\/opt\/jdk\/1.6\"\nexport ALLOW_DOWNLOADS=true\nexport EXTRA_LIBS=\/usr\/lib\/x86_64-linux-gnu\/libasound.so\nsource jdk\/make\/jdk_generic_profile.sh\nmake sanity &amp;&amp; make &amp;&amp; echo 'Images at: build\/linux-amd64\/j2sdk-image'<\/code><\/pre>\n\n\n\n<p>I usually write a build script that automatically sets the environment variables and calls <code>make<\/code>.<\/p>\n\n\n\n<p>Once the build process is successful, you will find your OpenJDK image at <code>build\/linux-amd64\/j2sdk-image<\/code>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This article will guide you to build OpenJDK in your 64-bit Ubuntu Linux (11.10 Oneiric Ocelot or 12.04 Precise Pangolin) without many trials and errors. It is based on the official OpenJDK build README, but the README file is out-of-date, and that\u2019s why I wrote this guide. Assumptions Install required packages Install HgForest Edit your&#8230; <a class=\"more-link\" href=\"https:\/\/vault.motd.kr\/wordpress\/posts\/2296\/how-to-build-openjdk-7-on-ubuntu-11-10-and-12-04\/\">Continue reading <span class=\"meta-nav\">&#8594;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"yoast_head":"<title>How to build OpenJDK 7 on Ubuntu 11.10 and 12.04 &#8212; T&#039;s message of the day<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/vault.motd.kr\/wordpress\/posts\/2296\/how-to-build-openjdk-7-on-ubuntu-11-10-and-12-04\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to build OpenJDK 7 on Ubuntu 11.10 and 12.04 &#8212; T&#039;s message of the day\" \/>\n<meta property=\"og:description\" content=\"This article will guide you to build OpenJDK in your 64-bit Ubuntu Linux (11.10 Oneiric Ocelot or 12.04 Precise Pangolin) without many trials and errors. 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